Ali bin Isa narrated to us; Ibrahim bin Abi Talib and Muhammad bin Ishaq narrated to him, both of them saying: Muhammad bin Rafi' narrated to us; Ibrahim bin al-Hakam bin Aban narrated to him; his father narrated to him; and Ikrimah narrated to him that the Messenger of Allah (peace and blessings be upon him) said to his uncle al-Abbas (may Allah be pleased with him) (then the narrator mentioned the whole hadith). Imam al-Hakim says: This narration being mursal does not weaken the hadith being connected (mawsul), because an addition in the chain (of the Companion's name) from a trustworthy narrator is more deserving and more acceptable than the mursal form. Moreover, the imam of hadith of that era, Ishaq bin Ibrahim al-Hanzali (Ibn Rahawayh), preserved this chain through Ibrahim bin al-Hakam bin Aban and narrated it as connected: